Marmitek EASY ICON 10 RF User Manual download pdf (Page 4)

are connected to the power line. In a normal home situation this effect is negligible (the

Marmitek X-10 system is using active gain control to eliminate the effects). However, it

is possible that a particular device in your house is attenuating the signals so much that

the range of Marmitek X-10 signals is decreased significantly. When you have range

problems, it is wise to try to locate the device which is attenuating the signals simply by

unplugging devices from the power line, and testing the differences in range for your

Marmitek system. When e.g. your conclusion is that e.g. your computer monitor is

attenuating the signal, you can use a FM10 Plug-in Filter between the power line and

the monitor to eliminate the effects.

Known devices which can cause attenuation are:

PC Monitors

PCs with heavy internal power supplies

Old Televisions

Copiers

Fluorescent Lights

Gas Discharge Lamps (Energy Saving Lamps)

3. Some (old) devices are able to disturb the signal by transmitting noise on the power

line. Because the Marmitek X-10 signals are transmitted on 120 kHz, only noise on or

near this frequency will have influence on the range. When you use a FM10 Filter to con-

nect this device to the power line, the noise will be filtered.

4. The Marmitek X-10 protocol has several mechanism to avoid modules to be switched

on or off by other sources than your Marmitek X-10 Controllers. However, it is possible

that the Marmitek X-10 signals are disturbed by e.g. baby phones which are in TALK

mode (continuous transmission). When these kind of signals are present on the power

line it is possible that the Marmitek X-10 signals will not come through.

5. The mains do not stop at the front door of your home. Everything that is attached to

mains nearby your home can have influence on Marmitek X-10 signals (e.g. heavy

machinery). If you think that your system is influenced by devices out of your house, it

is advisable to install FD10 Phase Coupler/Filter on each phase entering the house. These

filters will block signals coming into or going out of your house, but will also match the

impedance for the mains. Hereby make your house Marmitek X-10 compatible for these

units. The FD10’s will not only filter but will also couple the phases (please see 1).

5EASY ICON 10 RF™

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Marmitek EASY ICON 10 RF User Manual Page 4